Model No. WF28ETLAJDNG0
►Size: 2.8"
►Resolution: 240 x 320 pixels
►View Direction: 6H
►Interface: MCU
►Driver IC：ILI9341
►Control-Board: No
►Brightness(cd/m²): 400
►Frame Through Hole: No
►Touch Panel: Projected Capacitive Touch Panel (PCAP)
►Touch Points: 1
WF28ETLAJDNG0 is a 2.8-inch TFT LCD module with 240 × 320 resolution, 400 cd/m² brightness, and a projected capacitive touch panel. The module is a TN, normally white, transmissive display and integrates ILI9341 or equivalent controller IC, supporting the MCU interface.
The module outline dimensions are 50.0 × 69.2 mm, with an active area of 43.2 × 57.6 mm. It features a 6 o’clock viewing direction and a 12 o’clock gray scale inversion. The operating temperature range is -20°C to +70°C, and the storage temperature range is -30°C to +80°C.
| Item | Dimension | Unit |
|---|---|---|
| Size | 2.8 | inch |
| Dot Matrix | 240 × RGB × 320(TFT) | dots |
| Module dimension | 50.0(W) × 69.2(H) × 4.05(D) | mm |
| Active area | 43.2 × 57.6 | mm |
| Dot pitch | 0.18 × 0.18 | mm |
| LCD type | TFT, Normally White, Transmissive | |
| TFT Controller IC | ILI9341 or Equivalent | |
| TFT Interface | 8-bit/16-bit CPU (built-in controller) | |
| View Direction | 6 o'clock | |
| Gray Scale Inversion Direction | 12 o'clock | |
| Aspect Ratio | 3:4 | |
| Backlight Type | LED, Normally White | |
| CTP IC | CF1124 or equivalent | |
| CTP Interface | I2C | |
| CTP FW Version | 01 | |
| CTP Resolution | 240*320 | |
| Touch Panel | Projected Capacitive Touch Panel (PCAP) | |
| Surface | Glare | |
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Temperature | TOP | -20 | － | +70 | ℃ |
| Storage Temperature | TST | -30 | － | +80 | ℃ |
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage For Analog | VCI | 2.5 | 3.3 | V | |
| Supply Voltage For Logic | IOVCC | 1.65 | 3.3 | V | |
| Supply Current For LCM | ICC | － | 5 | 7.5 | mA |
| Supply Voltage For Touch Logic | VDDT | 3.0 | 3.3 | 3.6 | V |
| IDDT | － | 15 | 25 | mA |
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| LED current | - | 80 | - | mA | |
| Power Consumption | 224 | 256 | 272 | mW | |
| LED voltage | VBL+ | 2.9 | 3.2 | 3.4 | V |
| LED Life Time | 50,000 | － | - | Hr |
| NO | Symbol | Function | I/O |
|---|---|---|---|
| 1~4 | DB8~DB11 | Data bus | I/O |
| 5 | GND | Ground | P |
| 6 | IOVCC | power supply | P |
| 7 | /CS | Chip select signal. | I |
| 8 | RS | register select | I |
| 9 | /WR | Write data when WRX is Low. | I |
| 10 | /RD | Read strobe signal. Read out data when RDX is Low. | I |
| 11 | GND | Ground | P |
| 12 | NC | No connection | - |
| 13 | NC | No connection | - |
| 14 | NC | No connection | - |
| 15 | NC | No connection | - |
| 16 | LEDA | Anode of LED backlight. | P |
| 17~20 | LEDK1~4 | Cathode of LED backlight. | P |
| 21 | IM0 | IM0=0 8Bit DB0-7; IM0=1 16Bit DB0-DB15 | P |
| 22 | DB12 | Data bus | I/O |
| 23~30 | DB0~DB7 | Data bus | I/O |
| 31 | /RESET | System reset pin. | I |
| 32~33 | VCI | power supply | P |
| 34 | GND | Ground | P |
| 35~37 | DB13~DB15 | Data bus | I/O |
| Pin | Symbol | Function |
|---|---|---|
| 1 | VSS | Ground for analog circuit |
| 2 | VDDT | Power Supply : +3.3V |
| 3 | SCL | I2C clock input |
| 4 | NC | No connect |
| 5 | SDA | I2C data input and output |
| 6 | NC | No connect |
| 7 | /RST | External Reset, Low is active |
| 8 | NC | No connect |
| 9 | /INT | External interrupt to the host |
| 10 | VSS | Ground for analog circuit |
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